Phil Wainewright has a solid first look at the implications of the announcement. Donna Bogatin, the ever-present Google Gadfly here at ZDNet wonders about promoting human welfare and how this alliance might or might not impact both company's philanthropic efforts. TechCrunch, as usual, has the scoop.
Surprisingly, there's currently nothing on Techmeme about this.
Update: On a related note, it looks like ads are coming to Google Maps' location bubbles. I suppose this was inevitable and will potentially be useful if done right. Still, the creepy feeling remains. It's turning into a Google world my friends. Time to go watch the EPIC 2014 movie again, I guess.